Portable Water Analyzer BK-WA1000 (CAT#: STEM-OEM-0213-ZJF)

This instrument adopts narrowband interference technology and high-precision optical filtering to eliminate stray light, enhancing the purity of the transmitted light. This significantly reduces the impact of instrument noise and drift, thereby improving measurement stability and accuracy.

Water Quality Testing Items:
- Display Error: ≤8%
- Repeatability: ≤±3%
- Optical Stability: ≤0.001A/10min
- Light Source Life: 100,000 hours
- Measurement Time: 10min
- Number of Curves: 200 can be set
- Data Storage: 5000 pieces
- Wavelength Range: 380~800nm
- Display: 7 inch color touch screen / 5.6-inch Omron button integrated screen
- Printer: Built-in thermal printer
- Reading Cuvette: Cuvette / Colorimetric tube
Electrochemical Test Items:
pH:
- Range: -1.99~19.99pH
- Resolution: 0.1 / 0.01
- Accuracy: ±0.01pH
- Stability: ±0.01 pH/3h
ORP:
- Range: -2000mV~0~2000mV
- Resolution: 1mV
- Accuracy: ±0.1% FS mV
Conductivity:
- Range:
(0.00~20.00)μS/cm,
(20.0~200.0)μS/cm,
(200~2000)μS/cm,
(2.00~20.00)mS/cm,
(20.0~200.0)mS/cm,
(200~2000)mS/cm (K=10)
- Resolution: 0.01 / 0.1 / 1μS/cm, 0.01 / 0.1 / 1 mS/cm
- Accuracy: ±1.0% F.S.
- Reference Temperature: 25℃ / 20℃ / 18℃
- Cell Constant: K = 0.1, 1, 10
TDS:
- Range: 0~100g/L
- Resolution: 0.01 / 0.1 / 1μS/cm, 0.01 / 0.1 / 1 mS/cm
- Accuracy: ±1.0% F.S.
Salinity:
- Range: 0~100ppt
- Resolution: 0.01 / 0.1 / 1μS/cm, 0.01 / 0.1 / 1 mS/cm
- Accuracy: ±1.0% F.S.
Resistivity:
- Range: 0~100MΩ·cm
- Resolution: 0.01 / 0.1 / 1μS/cm, 0.01 / 0.1 / 1 mS/cm
- Accuracy: ±1.0% F.S.
DO:
- Range: (0~20.00)mg/L (ppm), (0~200.0)%
- Resolution: 0.1 / 0.01 mg/L (ppm), 1 / 0.1%
- Accuracy: ±0.10 mg/L
- Stability: (±0.07mg/L)/1h
- Barometric Pressure Correction: (0~200)kPa, manual
- Salinity Correction: (0~45)ppt, manual
Other Specifications:
- Temperature Compensation: 0~100°C / 32~212°F, manual or automatic
- Memory: 500 data sets
- Communication: USB interface, wireless Bluetooth interface
- Power Requirements: AC220V±10% / 50Hz
- Dimension: 525*200*390mm
- Net Weight: 17kg
- Packing Size: 695*365*500mm
- Gross Weight: 21kg

Narrowband interference and high-precision optical filtering system eliminate stray light and noise for improved measurement stability.
Built-in printer enables one-click report printing without interrupting measurement.
Built-in standard curves allow direct result reading without manual calibration.
Power-on self-check function ensures internal system stability.
Electrochemical segmented detection for dissolved oxygen, pH, and more.
Dual power supply system for portable and indoor use.
Equipped with large-capacity ARM9 chip to store over 5000 measurements and 200 calibration curves.
Built-in USB port for data transfer and backup.
Power failure protection prevents data loss.

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